| SELECT DISTINCT patent.*, YEAR(date) as year FROM patent WHERE (assigned_to = 'Lapp Insulator Co., Inc.') ORDER BY date ASC, patent, type |
Total of 13 patents found where: Assigned To is 'Lapp Insulator Co., Inc.';
View a patent by clicking on the patent number. You can sort by any of the columns by clicking on the column name.
| T / S | Patent | Date | Description | Patentee | Category | Assigned To |
| 1925 | ||||||
| U | 1,561,002 | November 10, 1925 | Method of Producing Clay Bodies and Apparatus Used Vacuum process for removing air from the clay |
LAPP, Grover W. |
Vacuum | Lapp Insulator Co., Inc. |
| 1929 | ||||||
| U | 1,710,880 | April 30, 1929 | Insulator Stack Pedestal type stackable insulators with metal flanges that can be easily adjusted |
LAPP, John S. |
Pedestal | Lapp Insulator Co., Inc. |
| 1933 | ||||||
| U | 1,901,349 | March 14, 1933 | 270 Degree Clamp Bracket or clamp for high tension suspension insulator used to redirect the conductor 270 degrees in another direction. Clamps also found with patent 2,111,505. |
LAPP, John S. |
Suspension | Lapp Insulator Co., Inc. |
| U | 1,937,964 | December 5, 1933 | Insulator Support for Tower or Mast Type Antenna Insulator for supporting radio tower or mast antenna |
JENNER, Ralph L. |
Antenna | Lapp Insulator Co., Inc. |
| 1935 | ||||||
| U | 1,998,549 | April 23, 1935 | Insulator Construction Insulator that will withstand high compression and support the weight of a radio antenna |
LAPP, Grover W. JENNER, Ralph L. |
Antenna | Lapp Insulator Co., Inc. |
| 1939 | ||||||
| U | 2,144,537 | January 17, 1939 | Insulator Construction Metal end cap for post insulator |
JENNER, Ralph L. |
Post Type | Lapp Insulator Co., Inc. |
| 1943 | ||||||
| U | 2,327,972 | August 24, 1943 | High Strength Ceramic Surface Manufacturing method of using porcelain ""sand"" with a lower coefficient of expansion than the insulator body to rough up the surface and provide a strong cement joint without reducing the effectiveness of the compression glaze (see 2,337,691) |
STETTINIUS, Kenneth E. DEWEY, Benjamin F. |
Manufacturing | Lapp Insulator Co., Inc. |
| U | 2,337,691 | December 28, 1943 | Method of Making High Strength Ceramic Surfaces Method of manufacturing insulators using porcelain ""sand"" with a lower coefficient of expansion than the insulator body to rough up the surface and provide a strong cement joint without reducing the effectiveness of the compression glaze (see 2,327,972) |
STETTINIUS, Kenneth E. DEWEY, Benjamin F. |
Manufacturing | Lapp Insulator Co., Inc. |
| 1949 | ||||||
| U | 2,481,729 | September 13, 1949 | Porcelain Insulator Body Porcelain clay body with an increased firing range |
DEWEY, Benjamin F. |
Porcelain | Lapp Insulator Co., Inc. |
| 1952 | ||||||
| U | 2,582,442 | January 15, 1952 | Power Wrench Mechanism for Ceramic Filter Presses A motorized wrench to tighten the screw on the leaves of a clay filter press that can be moved from one press to the other. |
LAPP, Grover W. |
Filter Press | Lapp Insulator Co., Inc. |
| 1953 | ||||||
| U | 2,625,581 | January 13, 1953 | Guy Insulator Heavy duty guy strain insulator |
JENNER, Ralph L. FIERO, Carl D. |
Strain | Lapp Insulator Co., Inc. |
| 1961 | ||||||
| U | 2,986,595 | May 30, 1961 | Post Type Insulator and Method of Making the Same Method of sealing the internal part of the insulator to protect its electrical resistance |
FIERO, Carl D. COREY, Charles E. |
Post Type | Lapp Insulator Co., Inc. |
| 1967 | ||||||
| U | 3,347,003 | October 17, 1967 | Protective Mounting Structure for Retractable Antenna Retractable antenna for a bomb shelter |
LAPP, Rudolph S. |
Antenna | Lapp Insulator Co., Inc. |
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